Vulnerability identifier: #VU68472

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39426

CWE-ID: CWE-415

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Oracle VM VirtualBox
Server applications / Virtualization software

Vendor: Oracle

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling smartcard I/O messages. A remote attacker can send specially crafted data to the application, trigger a double free error and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Oracle VM VirtualBox: 6.1.0 - 6.1.38

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External links
http://www.oracle.com/security-alerts/cpuoct2022.html
http://www.zerodayinitiative.com/advisories/ZDI-22-1444/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.